Home / 171,430.16-257,142.47-46,771.16

Finding the Fourth Proportional to 171,430.16, 257,142.47 and 46,771.16

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Solution

The fourth proportional to 171,430.16, 257,142.47 and 46,771.16 is: 70,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,430.16 : 257,142.47 = 46,771.16 : x
  2. Step 2: Convert to fraction form
    171,430.16/257,142.47 = 46,771.16/x
  3. Step 3: Cross multiply
    171,430.16x = 257,142.47 × 46,771.16
  4. Step 4: Simplify right side
    171,430.16x = 12,026,850,087.60
  5. Step 5: Solve for x
    x = 12,026,850,087.60/171,430.16
  6. Step 6: Final answer
    x = 70,155.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.